Plots of UV levels throughout the day at different locations.

If you list all the historic rainfall totals for a particular month and for a specific location, rank these from lowest to highest, then divide the list into ten equal parts, you have identified the ten rainfall deciles for that month and for that location.

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

Scott Base, Antarctica Antarctica is the coldest, windiest and driest continent.

A handful of species we work on

Northland, with its northern location, low elevation and close proximity to the sea is characterised by a mild, humid, and rather windy climate.

Water take (also known as water abstraction) has a range of valuable public and private uses.

When fresh water meets salty water - a classroom exercise that explores the physics of estuaries.

New Zealand has low-lying coastal areas that are vulnerable to inundation (flooding) by the sea.

Dog Island levels

Returning water to our waterways after we’ve used it in our homes, on farms and in industry is a complex and challenging process.